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path: root/drivers/gpu/drm/gma500/mid_bios.c
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Diffstat (limited to 'drivers/gpu/drm/gma500/mid_bios.c')
-rw-r--r--drivers/gpu/drm/gma500/mid_bios.c43
1 files changed, 19 insertions, 24 deletions
diff --git a/drivers/gpu/drm/gma500/mid_bios.c b/drivers/gpu/drm/gma500/mid_bios.c
index 237041a37532..0326f3ddc621 100644
--- a/drivers/gpu/drm/gma500/mid_bios.c
+++ b/drivers/gpu/drm/gma500/mid_bios.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**************************************************************************
* Copyright (c) 2011, Intel Corporation.
* All Rights Reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
**************************************************************************/
/* TODO
@@ -23,17 +11,18 @@
* - Check ioremap failures
*/
-#include <drm/drmP.h>
#include <drm/drm.h>
-#include <drm/gma_drm.h>
-#include "psb_drv.h"
+#include <drm/drm_print.h>
+
#include "mid_bios.h"
+#include "psb_drv.h"
static void mid_get_fuse_settings(struct drm_device *dev)
{
- struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
struct pci_dev *pci_root =
- pci_get_domain_bus_and_slot(pci_domain_nr(dev->pdev->bus),
+ pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
0, 0);
uint32_t fuse_value = 0;
uint32_t fuse_value_tmp = 0;
@@ -106,7 +95,8 @@ static void mid_get_fuse_settings(struct drm_device *dev)
static void mid_get_pci_revID(struct drm_psb_private *dev_priv)
{
uint32_t platform_rev_id = 0;
- int domain = pci_domain_nr(dev_priv->dev->pdev->bus);
+ struct pci_dev *pdev = to_pci_dev(dev_priv->dev.dev);
+ int domain = pci_domain_nr(pdev->bus);
struct pci_dev *pci_gfx_root =
pci_get_domain_bus_and_slot(domain, 0, PCI_DEVFN(2, 0));
@@ -117,8 +107,7 @@ static void mid_get_pci_revID(struct drm_psb_private *dev_priv)
pci_read_config_dword(pci_gfx_root, 0x08, &platform_rev_id);
dev_priv->platform_rev_id = (uint8_t) platform_rev_id;
pci_dev_put(pci_gfx_root);
- dev_dbg(dev_priv->dev->dev, "platform_rev_id is %x\n",
- dev_priv->platform_rev_id);
+ dev_dbg(dev_priv->dev.dev, "platform_rev_id is %x\n", dev_priv->platform_rev_id);
}
struct mid_vbt_header {
@@ -281,15 +270,21 @@ out:
static void mid_get_vbt_data(struct drm_psb_private *dev_priv)
{
- struct drm_device *dev = dev_priv->dev;
+ struct drm_device *dev = &dev_priv->dev;
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
u32 addr;
u8 __iomem *vbt_virtual;
struct mid_vbt_header vbt_header;
struct pci_dev *pci_gfx_root =
- pci_get_domain_bus_and_slot(pci_domain_nr(dev->pdev->bus),
+ pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
0, PCI_DEVFN(2, 0));
int ret = -1;
+ if (pci_gfx_root == NULL) {
+ WARN_ON(1);
+ return;
+ }
+
/* Get the address of the platform config vbt */
pci_read_config_dword(pci_gfx_root, 0xFC, &addr);
pci_dev_put(pci_gfx_root);
@@ -335,7 +330,7 @@ out:
int mid_chip_setup(struct drm_device *dev)
{
- struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
mid_get_fuse_settings(dev);
mid_get_vbt_data(dev_priv);
mid_get_pci_revID(dev_priv);